Home / 743,860.20-1,118,123.10-729,863.40

Finding the Fourth Proportional to 743,860.20, 1,118,123.10 and 729,863.40

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Solution

The fourth proportional to 743,860.20, 1,118,123.10 and 729,863.40 is: 1,097,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,860.20 : 1,118,123.10 = 729,863.40 : x
  2. Step 2: Convert to fraction form
    743,860.20/1,118,123.10 = 729,863.40/x
  3. Step 3: Cross multiply
    743,860.20x = 1,118,123.10 × 729,863.40
  4. Step 4: Simplify right side
    743,860.20x = 816,077,127,384.54
  5. Step 5: Solve for x
    x = 816,077,127,384.54/743,860.20
  6. Step 6: Final answer
    x = 1,097,084.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.